How do I properly interface my computers sound card out to my VHF transmitter? I want to do this so that I can have Newline on my club’s repeater. I know that you do not want to connect the sound card out to the mic input on the transmitter directly. Do I need a 1:1 transformer in-between?

Thank you, Adam Huber KD6SRI

(I have posted this to two forums since it could belong in either forum.)

I have done this successfully with just a 100K resister. If you want do this under software control, I have a program that I put together in the Python programming language. I could post the PTT subroutine as an example.

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